I have a O'neill 4/3 Wetsuit. Its a medium. I just dont use it anymore. I'll trade for something cool or sell it outright. I'm about 5'11 165. It will fit a little bigger than me but i'm in the upper range of its size. Its used but in pretty good condition. There are two seams that the outer layer is spreading but nothing that a little sewing couldn't fix. It does hold water great and keeps you quite warm.
You name a price or something that you could trade and maybe we'll make a deal.
I'm located in RI. Will be in NJ around Thanksgiving and for Christmas break from college.
Also willing to ship